Finding the Third Proportional to 20,863,916 and 31,915,794

Step by Step Solution

1. Step 1: Write the proportion equation
   20,863,916 : 31,915,794 = 31,915,794 : x
2. Step 2: Convert to fraction form
   20,863,916/31,915,794 = 31,915,794/x
3. Step 3: Cross multiply
   20,863,916x = 31,915,794 × 31,915,794
4. Step 4: Simplify right side
   20,863,916x = 1,018,617,906,650,436
5. Step 5: Solve for x
   x = 1,018,617,906,650,436/20,863,916
6. Step 6: Final answer
   x = 48,821,990.40